本文整理汇总了C++中SkPathMeasure::getLength方法的典型用法代码示例。如果您正苦于以下问题：C++ SkPathMeasure::getLength方法的具体用法？C++ SkPathMeasure::getLength怎么用？C++ SkPathMeasure::getLength使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SkPathMeasure的用法示例。
在下文中一共展示了SkPathMeasure::getLength方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: calculatePointAndNormalOnPath
static bool calculatePointAndNormalOnPath(SkPathMeasure& measure,
SkScalar length,
FloatPoint& point,
float& normalAngle,
SkScalar* accumulatedLength = 0) {
do {
SkScalar contourLength = measure.getLength();
if (length <= contourLength) {
SkVector tangent;
SkPoint position;
if (measure.getPosTan(length, &position, &tangent)) {
normalAngle =
rad2deg(SkScalarToFloat(SkScalarATan2(tangent.fY, tangent.fX)));
point = FloatPoint(SkScalarToFloat(position.fX),
SkScalarToFloat(position.fY));
return true;
}
}
length -= contourLength;
if (accumulatedLength)
*accumulatedLength += contourLength;
} while (measure.nextContour());
return false;
}